Qhia: Polyvinyl chloride resin, feem ntau hu ua PVC resin, yog ib qho polymer compound polymerized los ntawm vinyl chloride monomer (VCM). Vim nws cov khoom siv ntau yam thiab muaj zog, PVC resin tau siv dav hauv ntau yam lag luam, suav nrog kev kho mob. Hauv blog no, peb yuav tshawb txog qhov tseem ceeb ntawm ...
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